Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {13, 23, 2, 11, 19, 25} → ______
- Prime numbers in {11, 5, 12, 27, 3, 19} → ______
- Prime numbers in {7, 25, 12, 17, 5, 21} → ______
- Prime numbers in {2, 29, 13, 5, 11, 7} → ______
- Prime numbers in {12, 17, 27, 23, 19, 3} → ______
- Prime numbers in {27, 3, 8, 29, 21, 17} → ______
- Prime numbers in {15, 17, 2, 25, 11, 12} → ______
- Prime numbers in {19, 12, 2, 29, 13, 15} → ______
- Prime numbers in {2, 8, 15, 5, 7, 21} → ______
- Prime numbers in {25, 23, 27, 13, 17, 11} → ______
- Prime numbers in {12, 2, 11, 15, 3, 25} → ______
- Prime numbers in {5, 9, 19, 7, 29, 13} → ______
- Prime numbers in {17, 7, 2, 25, 11, 21} → ______
- Prime numbers in {8, 29, 5, 23, 3, 19} → ______
- Prime numbers in {2, 27, 5, 11, 8, 17} → ______
- Prime numbers in {23, 19, 29, 27, 8, 9} → ______
- Prime numbers in {7, 11, 13, 3, 27, 29} → ______
- Prime numbers in {5, 13, 27, 15, 17, 19} → ______
- Prime numbers in {9, 17, 23, 12, 11, 3} → ______
- Prime numbers in {17, 15, 9, 5, 11, 19} → ______